2012040891

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{26681}}^1$

素因数の和:26726

約数の個数: 60

約数和(自身を含む): 3680515080

約数和(自身を除く): 1668474189

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 399, 441, 513, 567, 931, 1197, 1323, 1539, 2793, 3591, 3969, 8379, 10773, 25137, 26681, 75411, 80043, 186767, 240129, 506939, 560301, 720387, 1307369, 1520817, 1680903, 2161161, 3548573, 3922107, 4562451, 5042709, 10645719, 11766321, 13687353, 15128127, 24840011, 31937157, 35298963, 41062059, 74520033, 95811471, 105896889, 223560099, 287434413, 670680297, 2012040891]

約数ペア:

[(1, 2012040891), (3, 670680297), (7, 287434413), (9, 223560099), (19, 105896889), (21, 95811471), (27, 74520033), (49, 41062059), (57, 35298963), (63, 31937157), (81, 24840011), (133, 15128127), (147, 13687353), (171, 11766321), (189, 10645719), (399, 5042709), (441, 4562451), (513, 3922107), (567, 3548573), (931, 2161161), (1197, 1680903), (1323, 1520817), (1539, 1307369), (2793, 720387), (3591, 560301), (3969, 506939), (8379, 240129), (10773, 186767), (25137, 80043), (26681, 75411)]